The provider performs cystourethroscopy, the inspection of the interior of the bladder, the urethra, prostatic urethra, and ureteric openings using a cystoscope passed through the urethra and into the bladder, and inserts the catheter tip into and through the ureter up to the ureteropelvic junction (UPJ), where he chooses from various methods to treat a UPJ stricture.
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